Bug 1332310 - Update AddState and CreateContentViewer to provide an accurate triggeringPrincipal for creating a history entry

docshell/base/nsDocShell.cpp

@@ -9147,8 +9147,13 @@ nsDocShell::CreateContentViewer(const nsACString& aContentType,
 
     // Make sure we have a URI to set currentURI.
     nsCOMPtr<nsIURI> failedURI;
+    nsCOMPtr<nsIPrincipal> triggeringPrincipal;
     if (failedChannel) {
       NS_GetFinalChannelURI(failedChannel, getter_AddRefs(failedURI));
+    } else {
+      // if there is no failed channel we have to explicitly provide
+      // a triggeringPrincipal for the history entry.
+      triggeringPrincipal = nsContentUtils::GetSystemPrincipal();
     }
 
     if (!failedURI) {
@@ -9169,7 +9174,8 @@ nsDocShell::CreateContentViewer(const nsACString& aContentType,
     // Create an shistory entry for the old load.
     if (failedURI) {
       bool errorOnLocationChangeNeeded = OnNewURI(
-        failedURI, failedChannel, nullptr, nullptr, mLoadType, false, false, false);
+        failedURI, failedChannel, triggeringPrincipal,
+        nullptr, mLoadType, false, false, false);
 
       if (errorOnLocationChangeNeeded) {
         FireOnLocationChange(this, failedChannel, failedURI,
@@ -12126,7 +12132,9 @@ nsDocShell::AddState(JS::Handle<JS::Value> aData, const nsAString& aTitle,
 
     // Since we're not changing which page we have loaded, pass
     // true for aCloneChildren.
-    rv = AddToSessionHistory(newURI, nullptr, nullptr, nullptr, true,
+    rv = AddToSessionHistory(newURI, nullptr,
+                             document->NodePrincipal(), // triggeringPrincipal
+                             nullptr, true,
                              getter_AddRefs(newSHEntry));
     NS_ENSURE_SUCCESS(rv, rv);